How do i remove a toolbar installed on my Internet Explorer?

There are many ways to remove a tool bar from your Internet Explorer, you can do it via a tool ( which is much easy) or do it manually via registry editor.
Using Registry Editor
To manually remove a toolbar , follow these steps:
1. Click Start, click Run, type regedit , and then click OK.
2. Locate and then double-click the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\
3. Under the Toolbar key, you may see ClassIDs (CLSIDs) that have a format that is similar to the following: {XXXXXXXX - XXXX – XXXX – XXXX – XXXXXXXXXXXX} Note CLSIDs are 128-bit numbers in hexadecimal notation that are enclosed in a pair of braces.
4. Delete this CLSIDs .

If you want to completely delete the Toolbar (which may also include some BHO) - go to the next step.

5. Locate and then click the following registry subkey: HKEY_CLASSES_ROOT\CLSID\{ CLSID }\InprocServer32. Note { CLSID } is the CLSID that you noted in step 4.
6. In the right pane, double-click (Default).
7. Click Value data to see the path of the .dll file. The path may be similar to the following: C:\Windows\ Program_Name .dll Note Program_Name can be a spyware program or a legitimate program that is using a Internet Explorer Toolbar.
8. If Program_Name is not a recognized or legitimate program, unregister the .dll file, and then remove the { CLSID } subkeys.

To do this, follow these steps:
a. At a command prompt, type the following command to unregister the .dll file: regsvr32 -u Path \ Program_Name .dll Note Path is the path of the Program_Name .dll file that is contained in the Value data box in step 7.
b. Locate and then delete the following { CLSID } registry subkeys:
• HKEY_CLASSES_ROOT\CLSID\{ CLSID } Note { CLSID } is the 128-bit number that you noted in step 4.
9. Exit Registry Editor.
10. Restart the computer